Hiking boot sole



FIG. 1 is a perspective view looking downward at the front left corner of a right hiking boot sole showing my new design;

FIG. 2 is a perspective view looking downward at the left rear corner of the right hiking boot sole in an inverted position;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a right side elevational view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines showing a shoe upper in FIGS. 1-6 illustrate the environment in which the design resides; the broken lines forming no part of the claim. 

The ornamental design for a hiking boot sole, as shown and described. 